Question

A car travels with speed 30 km h='for 30 minutes
and then with speed 40 km h-l for one hour.
Find :
(a) the total distance travelled by the car
(b) the total time of travel, and
(c) the average speed of car.

Please give step by step explanation......​

Answer 1

Explanation:

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Answer 2

Answer:

total distance travelled = 30/2 + 40 = 55km

total time 30 mts + 1 hr = 1.5 hr

average speed= 55/1.5 = 110/3 = 37km/hr (approximately)